1&period; Our biggest advantage is&comma; we have a professional technical team working for the mud pump and drilling equipments&period; The head of technical department has worked in the mud pump industry for more than 30 years&comma; and owned 10 patents in China&period; 2&period; The other advantage is we have a good sales team&period; Every year&comma; we sell more than 300 sets of mud pump to home and abroad&comma; our pumps have good quality&comma; and most important we have good after sale service&period; When you need our help&comma; our technical worker will arrive to you in 24 hours for Chinese market&comma; and in 1 week for foreign customer&period; 3&period; Our triplex mud pump is manufactured strictly according to API 7K standard&comma; all the spare parts are also manufactured strictly according to API&period; So the pump's service life will be more than 10 years&lpar;not including some spare parts&comma; like valve assembly&comma; liner&comma; piston rod and some seals etc&period; &rpar;